31404984

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:261

約数の個数: 128

約数和(自身を含む): 92897280

約数和(自身を除く): 61492296

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 31, 34, 39, 51, 52, 62, 68, 78, 93, 102, 104, 124, 136, 156, 186, 191, 204, 221, 248, 312, 372, 382, 403, 408, 442, 527, 573, 663, 744, 764, 806, 884, 1054, 1146, 1209, 1326, 1528, 1581, 1612, 1768, 2108, 2292, 2418, 2483, 2652, 3162, 3224, 3247, 4216, 4584, 4836, 4966, 5304, 5921, 6324, 6494, 6851, 7449, 9672, 9741, 9932, 11842, 12648, 12988, 13702, 14898, 17763, 19482, 19864, 20553, 23684, 25976, 27404, 29796, 35526, 38964, 41106, 42211, 47368, 54808, 59592, 71052, 76973, 77928, 82212, 84422, 100657, 126633, 142104, 153946, 164424, 168844, 201314, 230919, 253266, 301971, 307892, 337688, 402628, 461838, 506532, 603942, 615784, 805256, 923676, 1013064, 1207884, 1308541, 1847352, 2415768, 2617082, 3925623, 5234164, 7851246, 10468328, 15702492, 31404984]

約数ペア:

[(1, 31404984), (2, 15702492), (3, 10468328), (4, 7851246), (6, 5234164), (8, 3925623), (12, 2617082), (13, 2415768), (17, 1847352), (24, 1308541), (26, 1207884), (31, 1013064), (34, 923676), (39, 805256), (51, 615784), (52, 603942), (62, 506532), (68, 461838), (78, 402628), (93, 337688), (102, 307892), (104, 301971), (124, 253266), (136, 230919), (156, 201314), (186, 168844), (191, 164424), (204, 153946), (221, 142104), (248, 126633), (312, 100657), (372, 84422), (382, 82212), (403, 77928), (408, 76973), (442, 71052), (527, 59592), (573, 54808), (663, 47368), (744, 42211), (764, 41106), (806, 38964), (884, 35526), (1054, 29796), (1146, 27404), (1209, 25976), (1326, 23684), (1528, 20553), (1581, 19864), (1612, 19482), (1768, 17763), (2108, 14898), (2292, 13702), (2418, 12988), (2483, 12648), (2652, 11842), (3162, 9932), (3224, 9741), (3247, 9672), (4216, 7449), (4584, 6851), (4836, 6494), (4966, 6324), (5304, 5921)]